@unpublished{publication-5545,
	author={Torgler, Benno and Schmidt, Sascha L and Frey, Bruno S},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 268},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Relative Income Position And Performance: An Empirical Panel Analysis},
	year=2006,
}